MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c135ff17529e49649818039a136ab8c597f1f77589cf8568dac950c657ba5a66. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



SnakeKeylogger


Vendor detections: 19


Intelligence 19 IOCs YARA 5 File information Comments

SHA256 hash: c135ff17529e49649818039a136ab8c597f1f77589cf8568dac950c657ba5a66
SHA3-384 hash: 989f9242152645113838821575fc4e57f53e0b9b9626f7bbf6a26e82d94dc7a2d17239eac7cdce27b7a65b77215c5276
SHA1 hash: c21f9a10d3e8654c57fb8251f5e29b6055527150
MD5 hash: 3921125696fcd8bd4bc9c6fd0c056ed3
humanhash: yellow-butter-freddie-glucose
File name:payment slip000564421333.exe
Download: download sample
Signature SnakeKeylogger
File size:654'336 bytes
First seen:2025-07-30 11:17:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:GNavavyX4XL8wTq87XzNhhUTQUiCsNAkjZPjaWWE66lO1:8qoodIj2+RNXxjFZE
Threatray 1'201 similar samples on MalwareBazaar
TLSH T1EED4E0546BA9C605D9AA07B56830E2740774BF57B421E30E4BC9BCEF3CB6B804D467A3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
52
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_c135ff17529e49649818039a136ab8c597f1f77589cf8568dac950c657ba5a66.exe
Verdict:
Malicious activity
Analysis date:
2025-07-30 11:19:03 UTC
Tags:
snake keylogger evasion auto-sch-xml stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
micro spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Forced shutdown of a browser
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed reconnaissance
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747017 Sample: payment slip000564421333.exe Startdate: 30/07/2025 Architecture: WINDOWS Score: 100 50 reallyfreegeoip.org 2->50 52 checkip.dyndns.org 2->52 54 checkip.dyndns.com 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 64 10 other signatures 2->64 8 payment slip000564421333.exe 7 2->8         started        12 qwtoWtjoLB.exe 5 2->12         started        signatures3 62 Tries to detect the country of the analysis system (by using the IP) 50->62 process4 file5 38 C:\Users\user\AppData\...\qwtoWtjoLB.exe, PE32 8->38 dropped 40 C:\Users\...\qwtoWtjoLB.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp2B5F.tmp, XML 8->42 dropped 44 C:\Users\...\payment slip000564421333.exe.log, ASCII 8->44 dropped 66 Adds a directory exclusion to Windows Defender 8->66 68 Injects a PE file into a foreign processes 8->68 14 powershell.exe 23 8->14         started        17 payment slip000564421333.exe 15 2 8->17         started        20 powershell.exe 23 8->20         started        26 3 other processes 8->26 70 Multi AV Scanner detection for dropped file 12->70 22 qwtoWtjoLB.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 72 Loading BitLocker PowerShell Module 14->72 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        46 checkip.dyndns.com 132.226.8.169, 49691, 49693, 49694 UTMEMUS United States 17->46 48 reallyfreegeoip.org 104.21.64.1, 443, 49692, 49695 CLOUDFLARENETUS United States 17->48 32 conhost.exe 20->32         started        74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.27 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Status:
Malicious
First seen:
2025-07-30 08:06:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection discovery execution keylogger persistence spyware stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Snake Keylogger
Snake Keylogger payload
Snakekeylogger family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
502b0f495556c8e5bd27518cdcf49c5569306941ea58688a1dfdfeeb910ebec9
MD5 hash:
0a49af0d6b22feb8aeb42d1b45c2c0a2
SHA1 hash:
0fa2857c107407d17c8255e499ec3992c5de9c80
SH256 hash:
49a8ff3803a82d18ae2a3779ad102e4b609a4d829268a60f642cf93c48c79624
MD5 hash:
43e7b55b895672bcc23aeeb7ee931986
SHA1 hash:
23c4aaf78d3c75bf5b4292634b282f3996695c6e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
c135ff17529e49649818039a136ab8c597f1f77589cf8568dac950c657ba5a66
MD5 hash:
3921125696fcd8bd4bc9c6fd0c056ed3
SHA1 hash:
c21f9a10d3e8654c57fb8251f5e29b6055527150
Malware family:
SnakeKeylogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

SnakeKeylogger

Executable exe c135ff17529e49649818039a136ab8c597f1f77589cf8568dac950c657ba5a66

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments